| Computer Code: |
WRCA |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Albian Age (KA)
— Cenomanian Age (KE) |
| Lithological Description: |
The member comprises "brick"-red marls and marly limestones in six ill-defined rhythms. A thick bed of red marl at the top exhibits poorly defined internal rhythmicity. Aucellina occurs throughout |
| Definition of Lower Boundary: |
Defined as the change from nodular limestones of the Dulcey Dock Member up into the rhythmically bedded marls and marly limestones of this member. |
| Definition of Upper Boundary: |
Thick red marl bed passes upwards into nodular limestones of the Red Cliff Hole Member. |
| Thickness: |
2.81m. |
| Geographical Limits: |
Recognised only on the Yorkshire coast near Speeton. |
| Parent Unit: |
Hunstanton Formation (HUCK)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Weather Castle, Filey Bay, Yorkshire [TA 1649 7494]. See Mitchell (1995). |
| Reference(s): |
| Phillips, J. 1875. Illustrations of the Geology of Yorkshire or a description of the strata and organic remains. (Third Edition). |
| Hill, W. 1888. On the lower beds of the Upper Cretaceous series in Lincolnshire and Yorkshire. Quarterly Journal of the Geological Society of London, Vol.42, 232-248. |
| Mitchell, S F. 1995. Lithostratigraphy and biostratigraphy of the Hunstanton Formation (Red Chalk, Cretaceous) succession at Speeton, North Yorkshire, England. Proceedings of the Yorkshire Geological Society, Vol.50, 285-303. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
